I would nt say it was the mostexciting but the best has to be morales 1 it had everything in it. skill, power, durability, cuts and it was up and down all fight both exchanging
I go for first Morales. Barrera 1 was too one sided on Pac's (though this one was shocking) part, Marquez was too one sided on Marquez' part (though first round was insane. I haven't seen the other you mentioned but will try and find it.
Anybody here interested in watching the Pac-Ledwaba 2001 fight, it's on Youtube. It's a great fight, guys. I recommend it. You'll see a less technical but more aggressive, more ferocious version of Pac, if you can imagine that.